Consider the following statements: I. Group 17 elements have very high negative electron gain enthalpies. II. Noble gases have large positive electron gain enthalpies. III. Electron gain enthalpies have large negative values towards the upper right of the periodic table. IV. The electronegativity of any given element is always constant. Choose the option with all incorrect statements :

Question

Consider the following statements: I. Group 17 elements have very high negative electron gain enthalpies. II. Noble gases have large positive electron gain enthalpies. III. Electron gain enthalpies have large negative values towards the upper right of the periodic table. IV. The electronegativity of any given element is always constant. Choose the option with all incorrect statements : (A) I and III (B) II and IV (C) Only IV (D) Only III

Tardigrade Admin · Accepted Answer

It's correct form is as follows: The electronegativity of any given element is not constant. Rest other statements are correct.

I and III

II and IV

Only IV

Only III

It's correct form is as follows : The electronegativity of any given element is not constant. Rest other statements are correct.

It's correct form is as follows :
The electronegativity of any given element is not constant.
Rest other statements are correct.